public static String getCanonicalizedQueryString()

in lambda-client/src/main/java/com/amazonwebservices/blogs/containers/sigv4/AWS4SignerBase.java [172:200]

• 25 lines of code
• 6 McCabe index (conditional complexity)

    public static String getCanonicalizedQueryString(Map<String, String> parameters) {
        if ( parameters == null || parameters.isEmpty() ) {
            return "";
        }
        
        SortedMap<String, String> sorted = new TreeMap<String, String>();

        Iterator<Map.Entry<String, String>> pairs = parameters.entrySet().iterator();
        while (pairs.hasNext()) {
            Map.Entry<String, String> pair = pairs.next();
            String key = pair.getKey();
            String value = pair.getValue();
            sorted.put(HttpUtils.urlEncode(key, false), HttpUtils.urlEncode(value, false));
        }

        StringBuilder builder = new StringBuilder();
        pairs = sorted.entrySet().iterator();
        while (pairs.hasNext()) {
            Map.Entry<String, String> pair = pairs.next();
            builder.append(pair.getKey());
            builder.append("=");
            builder.append(pair.getValue());
            if (pairs.hasNext()) {
                builder.append("&");
            }
        }

        return builder.toString();
    }